CN1127991C - High intellect automatically scanning positioning and alarming fire extinguisher - Google Patents

Abstract

The present invention relates to fire-fighting machinery, particularly to a fully automatic and logical control electromechanically integrated fire extinguisher. A main body is suspended on a main shaft, and a sealing device is arranged on the contact face of the main body and the main shaft; a transverse shaft is perpendicular to the main shaft, and transversely penetrates through the main body, and the contact face of the transverse shaft and the main shaft is provided with a sealing device; a motor, a casing and a contact of an electric brush are fixed on the main body; a gear and the slip ring of the electric brush are fixed on the main shaft, and the gear, the slip ring of the electric brush, and a spray head are fixed on the transverse shaft perpendicularly to a scanner; a main body cavity is sealed by a sealing plug. The machinery operation is triggered by a light and fume sensing thick member arranged in the fire extinguisher so that the present invention automatically tracks and sprays water or a fire extinguishing agent after discovering fumes and fire so as to achieve the purpose of extinguishing the fire in time.

Description

High intellect automatically scanning positioning and alarming fire extinguisher

The present invention relates to a kind of fire-fighting equipment, particularly a kind of electromechanical integration flame snuffer of full-automatic, logic control.

Existing Automatic Fire Extinguisher has: automatic fire extinguishing water device of fountain and fully-automatic intelligent flame snuffer.The automatic fire extinguishing water device of fountain is to utilize fire sensor and heat-sensitive element to start watering after on fire, and shower nozzle and interlocking equipment are implemented fire extinguishing to the space of monitoring.Its monitoring space is little, dead angle, fire extinguishing dynamics deficiency are arranged, reaction velocity is slow, network complexity, cost height are installed, are difficult for the fully-automatic intelligent flame snuffer of management and maintenance, have following shortcoming on Machine Design and Electronic Control: 1. brush is located at and leaks easily below the stator and cause short circuit; 2. shower nozzle adopts connecting rod to drive its complex structure; 3. adopt photoelectric tube to make sensor, do not have anti-interference; 4. only adopt the quick detector of cigarette on starting and be positioned in the body, the prison that has limited the flame snuffer installing space turns round and look at scope; 5. just to the simple amplification and the output of light signal, no antijamming capability causes mistake spray wrong report action to electronic control circuit.

The object of the present invention is to provide a kind of suspension fixed fire extinguisher, trigger mechanical action by light, thick of the cigarette induction that is provided with in it, discovery cigarette, fire back are from the motion tracking water spray, or the agent of spray quench, reach the purpose of the fire of nipping in the bud.

The objective of the invention is to realize by following technical measures:

It is made up of machinery, detection scanning, several parts of electronic circuit, and a, described mechanical part main body hang on the main shaft, and its surface of contact has packoff; Transverse axis is vertical with main shaft, cross its surface of contact of main body packoff is arranged, the contact of motor, housing, brush is fixed on the main body, and the slip ring of gear, brush is fixed in main shaft, and the slip ring of gear, brush, shower nozzle orthoscanner are fixed in transverse axis, sealing is stifled to seal main cavity, horizontal scanner is fixed on the main body, and is parallel with main body, vertical with transverse axis, scanner is provided with the chopper of light barrier and coil winding composition, also is provided with armature on its light barrier; B, its circuit part, power supply is by J ₁Moving contact, the normal battle is connected to J ₅The contact, normally closed point enters J ₂Moving contact is communicated with motor by normally closed point, by J ₂Normal battle J ₃Moving contact, normally closed point is communicated with motor, by J ₂Moving contact is communicated with J through K ₃Moving contact is by AND circuit VD ₁₂, VD ₁₃And C ₁₆, R ₂₈, VR ₄, VD ₁₄, VD ₁₅Complex pipe, R ₂₉, VT ₆, R ₃₀, R ₃₁, VT ₇Form delayed start-up circuit control J ₅, again by VD ₁₆, C ₁₇, VR ₅, R ₂₉, VT ₆, R ₃₀, R ₃₁, VT ₇The J that forms delay closing circuit ₅, by with door VD ₉, VD ₁₀And R ₂₇, VT ₅The on-off circuit control J that forms ₄, J ₄Normal battle of JK ₂Be the power switch of secondary amplifier, wave filter, comparer, signal is by the input of G point, after treatment by the output of F point, input C point.Described detector is located on the spherical detection body, and is separately positioned on several orientation; Main shaft is fixed on the fire extinguishing agent conveyance conduit, and the main shaft pipeline is connected with the fire extinguishing agent conveyance conduit, and and main cavity, transverse axis input port and pipeline, shower nozzle, injection orifice constitute the sharp passage of fire extinguishing.

The connected mode of this flame snuffer is that the main shaft pipeline links to each other with solenoid valve, and the end in addition of solenoid valve communicates with water pump, and on the water tank that the inlet of water pump connects, tank port is equipped with drainpipe relatively, and solenoid valve is housed on the pipe, and the end in addition of this solenoid valve is connected on the main-supply.

Advantage of the present invention and good effect are:

Adopt to survey the pyroelectric sensor of flame special spectrum, adapt to sensor characteristic and specially designed scanner, electronic control circuit, can resist the interference of each specific admixture spectrum.It is to be the novel product of one with complex arts such as sensing technology and electronic technology, fuzzy theory, logic control and mechanical drive, seal for pipe joints, pressure injection are organically molten, effectively with the automatic fire alarm that takes place in the monitored space, directional fire-extinguishing is during fire nipped in the blossom.

Description of drawings is as follows:

Figure one is structure cut-open view of the present invention;

Figure two is partial structurtes cut-open view of the present invention;

Figure three is left view of the present invention;

Figure four, five is circuit theory diagrams of the present invention;

Figure six is this product connected mode synoptic diagram.

Below in conjunction with the accompanying drawing illustrated embodiment, the present invention is further described:

As shown in the figure, entire mechanism is divided two parts up and down, and main shaft 1 is located at the top, and inner chamber is a main shaft pipeline 26, and the slip ring of gear 2, brush 3 is fixed on the axle.Main shaft pipeline 26 is connected with the fire extinguishing agent conveyance conduit, and with main cavity 14, transverse axis input port 15 and pipeline 8, shower nozzle 7, injection orifice 9 constitute the fire extinguishing agent passages.Two motors 5,23 are housed in the housing 25, and direct connection gear 4 and gear 24.

The power supply of this flame snuffer and the output of electric signal input are finished by brush 3.When motor 23 energisings are rotated, drive complete machine, rotate around the main shaft horizontal direction by gear 24 meshing gears 2.When motor 5 energisings are rotated, drive transverse axis 10 by gear 4 meshing gears 11, sealing stifled 12 is with main cavity 14 sealings, and brush 16, shower nozzle 7 orthoscanners 20 are made vertical direction and rotated.Its rotation direction is: when horizontal scanner when fire is put, orthoscanner should scan rotation from bottom to up.This will make fire extinguishing agent directly beat comburant, good extinguishing effect.

The horizontal scanner of this flame snuffer setting, orthoscanner, startup detector adopt to have surveys the special pyroelectric sensor of deciding spectrum together of flame.Fire detector adopts the existing product that meets national standard, and it and this patent product are installed on the position that meets the fire-fighting requirement for dividing body structure, for adapting to the requirement of fire-fighting, in the control zone of this flame snuffer a plurality of fire detectors can be installed simultaneously.As long as there is a fire detector to sense the condition of a fire, its signal enters circuit by brush 3 just can finish initiating task.Horizontal scanner the 18, the 28th, 180 ° of directive receptions of slit type are fixed on the main body 6.For adapting to the characteristic of pyroelectric sensor, improve the sensitivity of sensor, the spy increases chopper on horizontal scanner 18,28, comprise that 19,27 its effects of light barrier 17,29 coil winding are to make sensor receive flame radiation by certain frequency can also be provided with armature on (infrared ray) its light barrier.Orthoscanner 20 is circular pipe type directive receptions.The signal that sensor 22 receives is through brush 16 input electronic circuits, exempt from some owing to the interference of intense radiation in order to reduce vertical scanning interval and fraud to horizontal scanner and orthoscanner, the spy is provided with a position switch K, and its effect is that the position with orthoscanner is placed on the place opposite with the horizontal scanner direction of scanning.This position switch K finishes by a cam switch on the transverse axis, and when orthoscanner forwarded aforementioned location to, cam just in time cut off motor 5 power supplys.This switch is placed on J ₂Moving contact and J ₃Between the moving contact.Starting detector 13 is that comprehensive detection receives.

Its circuit control section: because horizontal scanner is vertically swept device, starting detector adopts with a kind of sensor Z, so its circuit diagram adopts same figure four, the input and output of mentioning later on are meant the difference input and output of each circuit, and this circuit has amplification filtering voltage comparing function.The D end of sensor Z is through R ₄, R ₃Dividing potential drop, C ₂Filtering adds power positive end, and E holds ground connection, and signal output S end is through R ₁Ground connection is through C ₁R ₂Add IC ₁The TL064CN13 pin.IC ₁TL064CN is conventional the amplification, and filtering, voltage comparator circuit are by the output of H point, by VR ₃, R ₂₁, R ₂, R ₂₀, VD ₅, VT ₁, VT ₂, R ₂₃, R ₂₄, the conventional delay closing circuit control J of composition ₁The horizontal scanning sensor output signal, after treatment by the output of H point, input B point is through C ₁₄Ground connection is by R ₂₅Meet VT ₃Base stage, this pipe collector meets VDD, and emitter meets J ₂, the D point is emitter signal output.The vertical scanning sensor output signal is handled by VD through Fig. 4 ₄The output of negative pole H point enters the C point, by C ₁₅Ground connection is through R ₂₆VT ₄Base stage, VT ₄Collector meets VDD, and emitter meets J ₃, the E point is emitter signal output.VD ₉, VD ₁₀Negative pole connect D, E 2 points respectively, anodal with meeting R ₂₇, VT ₅Base stage, R ₂₇Another termination VDD, VT ₅Collector also connect power positive end, emitter meets J ₄JK ₂Be J ₄Normal battle, it is by IC ₃The routine that LM358 etc. form is amplified, the filtering voltage comparator circuit, and input point is G, output point is F.VD ₁₂, VD ₁₃Negative terminal meet D, E 2 points, anode and C respectively ₁₆Anodal, VD ₁₄Anodal, VR ₄Connect C ₁₆Minus earth, VR ₄Through R ₂₈Meet VDD, VD ₁₄Negative pole meets VD ₁₅Positive pole, VD ₁₅Negative pole meets VR respectively ₅, R ₂₉And VD ₁₆Anodal, VD ₁₆Negative pole meets VR ₅, C ₁₇Positive pole, C ₁₇Minus earth, R ₂₉Meet VT ₆Base stage, V _T6Grounded emitter, collector is by R ₃₀Insert VDD, again through R ₃₁Meet VT ₇Base stage, this pipe emitter directly meets VDD, and collector is through J ₅Over the ground.JK ₁Be by IC ₂The power switch of the conventional oscillatory circuit that NE555 forms.This circuit power is supplied with by the outside through brush 3, power on circuitry is in monitored state, the mechanical part outage is awaited orders, when breaking out of fire, send signal after fire detector detects and enter the flame snuffer main frame, import the A point, or receive flame radiation energy outgoing signal by starting detector 13 through brush 3, after figure four processing of circuit, export, import the A point, through VT by the H point ₁, VT ₂The on-off circuit of forming drives relay J ₁Adhesive, power supply is by J ₁Moving contact, normal battle, J ₅Normally closed point, J ₂Normally closed, connect motor 23 and make the complete machine rotation carry out horizontal direction scanning, J simultaneously ₁Another the group contact JK ₁Connect, by IC ₂The oscillatory circuit drive coil winding 19,27 that NE555 forms makes light barrier swing, chopper work.Receive the flame radiation energy when horizontal scanner, sensor 21 sends signal, and by the output of H point, input B point is through VT after figure four processing of circuit ₃The on-off circuit of forming drives relay J ₂Adhesive, motor 23 dead electricity stop operating.Power supply is through J ₂Normal battle, J ₃Normally closed point is connected motor 5, transverse axis is rotated carry out vertical scan direction, receives the Fire Radiation energy when orthoscanner, and sensor 22 sends signal, after figure four processing of circuit, by H point output input C point, through VT ₄The on-off circuit of forming drives relay J ₃Adhesive, motor 5 dead electricity stop operating.Be to adapt to the intrinsic sensing characteristics of pyroelectric sensor, improve sensitivity, survey flame intrinsic blinking characteristic, have in the circuit that the vertical scanning sensing amplifies, import by IC from G point taking-up signal ₃Post-amplifier, filter voltage comparer that LM358 forms are strengthened processing and amplifying to the vertical scanning transducing signal, and treated signal is by the output of F point, and input C point is through VT ₄The on-off circuit of forming drives relay J ₃Adhesive is effectively controlled motor.The work of this amplifying circuit is be subjected to 2 of D, E voltage-controlled, by VD ₉, VD ₁₀Form AND circuit, have only when 2 of D, E are high level, by VT ₅Just conducting of the on-off circuit of forming, J ₄Adhesive makes JK ₂Closed energising, LM358 work, at this moment the F point could signal output.At this moment J ₂, J ₃All adhesives, D, E are high level, by VD ₁₂, VD ₁₃Another AND circuit of forming improves P point current potential.Because capacitor C ₁₆Control, have only when electric current through resistance R ₂₈, potentiometer VR ₄To capacitor C ₁₆Charging just makes P point current potential improve gradually.P point current potential is brought up to and is made VT after time-delay a period of time ₆, VT ₇The on-off circuit conducting J that forms ₅Adhesive.Design of this time-delay open circuit be for orthoscanner receive flame the radiation energy of the intrinsic blinking characteristic variation of sending, to distinguish the various interference that other heat energy took place the interference of circuit and short time, make circuit can not export fire extinguishing signal, J ₅Normally closed point disconnects, and the circuit of motor 23 is only by J at this moment ₅Control disconnects, J ₅Normal battle connect and send the fire extinguishing signal, this signal drives relevant device and acts accordingly, as long as there is the condition of a fire to exist, sensor just has signal to spread out of, 2 of D, E are exactly high level, J ₅With regard to adhesive, have only burning things which may cause a fire disaster to disappear after, 2 of D, E are only low level, the P point also just becomes low level, because capacitor C ₁₇Discharge continues adhesive with guard relay in a period of time over the ground, has only in other words after fire has gone out, and a period of time of delaying time again just stops spray fire extinguishing agent.

In case when the condition of a fire was arranged, this machine can start automatically.When waring oneself in front of a fire spray fire extinguishing agent, solenoid valve 30, water pump 31 are opened automatically, and the water source is by Trunk Line then, and the solenoid valve 31 via automatic unlatching flows to water storage tank 32 by by-pass line.The water of water storage tank is replenished automatically by Trunk Line simultaneously, keeps covering with state.Tank port is equipped with drainpipe relatively, and solenoid valve 33 is housed on the pipe, and the end in addition of this solenoid valve is connected on the main-supply.Because the automatic unlatching of water pump 31, the water in the water storage tank enters the top by-pass line by water pump.Because the solenoid valve 30 of flame snuffer front end is opened automatically, make water lead to the water jet of flame snuffer, an emission fire extinguishing agent warms oneself in front of a fire.After fire put out, the control of the converter logic function that this organic electronic is integrated all resetted water pump and each solenoid valve, is in static armed state.This flame snuffer can also be taked the mode of connecting according to the structure of building simultaneously; Through branch pipe(tube) flame snuffer is together in series, is ready.

Claims (3)

1. high intellect automatically scanning positioning and alarming fire extinguisher is made up of machinery, detection scanning, several parts of electronic circuit, it is characterized in that:

A, described mechanical part main body (6) hang on the main shaft, and its surface of contact has packoff; Transverse axis (10) is vertical with main shaft (1), cross its surface of contact of main body (6) packoff is arranged, motor (5), (23), housing (25), brush (3), (16) contact is fixed on the main body (6), the slip ring of gear (2) brush (3) is fixed in main shaft (1), gear (11), the slip ring of brush (16), shower nozzle (7) orthoscanner (20) is fixed in transverse axis (10), sealing stifled (12) seals main cavity (14), horizontal scanner (18), (28) be fixed on the main body (6), parallel with main body (6), vertical with transverse axis (10), scanner is provided with light barrier (17), (29) and coil winding (19), (27) chopper of Zu Chenging also is provided with armature on its light barrier;

B, its circuit part, power supply is by J ₁Moving contact, the normal battle is connected to J ₅The contact, normally closed point enters J ₂Moving contact is communicated with motor (23) by normally closed point, by J ₂Normal battle J ₃Moving contact, normally closed point is communicated with motor (5), by J ₂Moving contact is communicated with J through K ₃Moving contact is by AND circuit VD ₁₂, VD ₁₃And C ₁₆, R ₂₈, VR ₄, VD ₁₄, VD ₁₅Complex pipe, R ₂₉, VT ₆, R ₃₀, R ₃₁, VT ₇Form delayed start-up circuit control J ₅, again by VD ₁₆, C ₁₇, VR ₅, R ₂₉, VT ₆, R ₃₀, R ₃₁, VT ₇The J that forms delay closing circuit ₅, by with door VD ₉, VD ₁₀And R ₂₇, VT ₅The on-off circuit control J that forms ₄, J ₄Normal battle of JK ₂Be the power switch of secondary amplifier, wave filter, comparer, signal is by the input of G point, after treatment by the output of F point, input C point.

2. flame snuffer as claimed in claim 1, it is characterized in that described main shaft (1) is fixed on the fire extinguishing agent conveyance conduit, main shaft pipeline (26) is connected with the fire extinguishing agent conveyance conduit, and with main cavity (14), transverse axis input port (15) and pipeline (8), shower nozzle (7), injection orifice (9) constitute the fire extinguishing agent passage.

3. flame snuffer as claimed in claim 1, the connected mode that it is characterized in that this flame snuffer is that main shaft pipeline (26) links to each other with solenoid valve (30), the end in addition of solenoid valve (30) communicates with water pump (31), on the water tank (32) that the inlet of water pump connects, tank port is equipped with drainpipe relatively, solenoid valve (33) is housed on the pipe, and the end in addition of this solenoid valve is connected on the main-supply.

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